Autotecknic's vacuumed carbon fiber center diffuser makes the rear end of the M5 more functional while adding instant aesthetic appeal. There are many cases where diffusers and splitters are a temporary upgrade in appearance, lacking the quality to hold up on your vehicle - but Autotecknic's center diffuser is made of 100% true vacuumed carbon fiber for the ultimate weight savings, durability and precision fitment. 

Includes one Autotecknic rear center diffuser and mounting hardware. Installation is simple and can be done in a matter of minutes in your own garage - simply line the diffuser up with your rear bumper and mount using the supplied hardware.